On 10/16/20 10:50 PM, David wrote:
I installed the package "sysbench" and did two operations: "sysbench
memory run" and
"sysbench cpu run", and after about 30 seconds, it listed a bunch of
numbers,
which I have no idea what they mean. I have looked at glances and htop
and cpu-x and have not yet learned what all the numbers mean, but things
look okay.
The memory test is supposed to tell you how fast memory can be accessed.
According to sysbench, my older laptop (dual core cpu with
hyperthreading) gets about 4763.85 MiB/sec with a single thread, 6747.50
MiB/sec with two threads, and 10100.02 MiB/sec with four threads. Those
numbers seem somewhat suspect to me, but possible depending on how the
CPU and memory buses are designed.
The cpu test numbers are usually completely arbitrary and only have
meaning for comparing against other systems. The numbers will also vary
depending on what else is currently running.
There's a --threads=n parameter for setting the number of threads it uses.
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